More OV2640 initialization logic
This commit is contained in:
Gregory Nutt
parent
5809637722
commit
5761d57f5f
@ -144,7 +144,7 @@ CONFIG_SAMA5_USART1=y
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# CONFIG_SAMA5_USART2 is not set
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# CONFIG_SAMA5_USART3 is not set
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# CONFIG_SAMA5_TWI0 is not set
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# CONFIG_SAMA5_TWI1 is not set
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CONFIG_SAMA5_TWI1=y
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# CONFIG_SAMA5_TWI2 is not set
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# CONFIG_SAMA5_HSMCI0 is not set
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# CONFIG_SAMA5_HSMCI1 is not set
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@ -203,6 +203,11 @@ CONFIG_SAMA5_LCDC_BASE_RGB565=y
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# CONFIG_SAMA5_LCDC_BASE_ARGB8888 is not set
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# CONFIG_SAMA5_LCDC_BASE_RGBA8888 is not set
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#
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# TWI device driver options
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#
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CONFIG_SAMA5_TWI1_FREQUENCY=100000
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#
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# External Memory Configuration
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#
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@ -391,7 +396,6 @@ CONFIG_I2C_TRANSFER=y
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# CONFIG_AUDIO_DEVICES is not set
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CONFIG_VIDEO_DEVICES=y
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CONFIG_VIDEO_OV2640=y
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# CONFIG_OV2640_MULTIPLE is not set
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CONFIG_OV2640_I2CADDR=0x21
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CONFIG_OV2640_FREQUENCY=400000
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CONFIG_OV2640_RGB565_COLORFMT=y
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@ -42,8 +42,9 @@
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#include <stdlib.h>
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#include <debug.h>
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#include <nuttx/i2c.h>
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#include <nuttx/fb.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/video/ov2640.h>
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#include "up_arch.h"
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@ -52,7 +53,7 @@
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#include "sam_pck.h"
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#include "sama5d3x-ek.h"
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#if defined(CONFIG_SAMA5_ISI) && defined(CONFIG_SAMA5_OV2640_DEMO)
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#ifdef HAVE_CAMERA
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/****************************************************************************
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* Definitions
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@ -63,10 +64,6 @@
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* Private Data
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****************************************************************************/
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/* The connection handler */
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static NXHANDLE g_hnx = NULL;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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@ -75,120 +72,28 @@ static NXHANDLE g_hnx = NULL;
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* Name: ov2640_lcd_initialize
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****************************************************************************/
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#ifndef CONFIG_NX_MULTIUSER
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static inline int ov2640_lcd_initialize(void)
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static inline FAR struct fb_vtable_s *ov2640_lcd_initialize(void)
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{
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FAR NX_DRIVERTYPE *dev;
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FAR struct fb_vtable_s *vplane;
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int ret;
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/* Initialize the frame buffer device */
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gvdbg("Initializing framebuffer\n");
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ret = up_fbinitialize();
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if (ret < 0)
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{
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gdbg("ERROR: up_fbinitialize failed: %d\n", -ret);
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return EXIT_FAILURE;
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return NULL;
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}
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dev = up_fbgetvplane(0);
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if (!dev)
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vplane = up_fbgetvplane(0);
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if (!vplane)
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{
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gdbg("ERROR: up_fbgetvplane failed\n");
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return EXIT_FAILURE;
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}
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/* Then open NX */
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gvdbg("Open NX\n");
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g_hnx = nx_open(dev);
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if (!g_hnx)
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{
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gdbg("ERROR: nx_open failed: %d\n", errno);
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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return vplane;
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}
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#endif
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#ifdef CONFIG_NX_MULTIUSER
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static inline int ov2640_lcd_initialize(void)
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{
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struct sched_param param;
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pthread_t thread;
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pid_t servrid;
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int ret;
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/* Set the client task priority */
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param.sched_priority = CONFIG_EXAMPLES_NX_CLIENTPRIO;
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ret = sched_setparam(0, ¶m);
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if (ret < 0)
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{
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gdbg("ERROR: sched_setparam failed: %d\n" , ret);
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return EXIT_FAILURE;
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}
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/* Start the server task */
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gvdbg("Starting nx_servertask task\n");
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servrid = task_create("NX Server", CONFIG_EXAMPLES_NX_SERVERPRIO,
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CONFIG_EXAMPLES_NX_STACKSIZE, nx_servertask, NULL);
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if (servrid < 0)
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{
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gdbg("ERROR: Failed to create nx_servertask task: %d\n", errno);
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return EXIT_FAILURE;
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}
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/* Wait a bit to let the server get started */
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sleep(1);
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/* Connect to the server */
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g_hnx = nx_connect();
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if (g_hnx)
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{
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pthread_attr_t attr;
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/* Start a separate thread to listen for server events. This is probably
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* the least efficient way to do this, but it makes this example flow more
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* smoothly.
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*/
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(void)pthread_attr_init(&attr);
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param.sched_priority = CONFIG_EXAMPLES_NX_LISTENERPRIO;
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(void)pthread_attr_setschedparam(&attr, ¶m);
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(void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NX_STACKSIZE);
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ret = pthread_create(&thread, &attr, nx_listenerthread, NULL);
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if (ret != 0)
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{
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printf("pthread_create failed: %d\n", ret);
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return EXIT_FAILURE;
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}
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/* Don't return until we are connected to the server */
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while (!g_connected)
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{
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/* Wait for the listener thread to wake us up when we really
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* are connected.
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*/
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(void)sem_wait(&g_semevent);
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}
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}
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else
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{
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gdbg("ERROR: nx_connect failed: %d\n", errno);
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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#endif
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/****************************************************************************
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* Name: ov2640_camera_initialize
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@ -196,11 +101,33 @@ static inline int ov2640_lcd_initialize(void)
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static inline int ov2640_camera_initialize(void)
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{
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FAR struct i2c_dev_s *i2c;
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int ret;
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/* Get the I2C driver that interfaces with the camers (OV2640_BUS)*/
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i2c = up_i2cinitialize(OV2640_BUS);
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if (!i2c)
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{
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fdbg("ERROR: Failed to initialize TWI%d\n", OV2640_BUS);
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return EXIT_FAILURE;
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}
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/* Enable clocking to the ISI peripheral */
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sam_isi_enableclk();
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#warning Missing Logic
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/* Initialize the OV2640 camera */
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ret = ov2640_initialize(i2c);
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if (ret < 0)
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{
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fdbg("ERROR: Failed to initialize the OV2640: %d\n", ret);
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return EXIT_FAILURE;
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}
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return EXIT_FAILURE;
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}
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@ -218,12 +145,13 @@ static inline int ov2640_camera_initialize(void)
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int ov2640_main(int argc, char *argv[])
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{
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FAR struct fb_vtable_s *vplane;
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int ret;
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/* First, initialize the display */
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ret = ov2640_lcd_initialize();
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if (ret != EXIT_SUCCESS)
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vplane = ov2640_lcd_initialize();
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if (!vplane)
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{
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gdbg("ERROR: ov2640_lcd_initialize failed\n");
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return EXIT_FAILURE;
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@ -235,24 +163,10 @@ int ov2640_main(int argc, char *argv[])
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if (ret != EXIT_SUCCESS)
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{
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gdbg("ERROR: ov2640_camera_initialize failed\n");
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goto errout_with_nx;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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errout_with_nx:
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#ifdef CONFIG_NX_MULTIUSER
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/* Disconnect from the server */
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gvdbg("Disconnect from the server\n");
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nx_disconnect(g_hnx);
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#else
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/* Close the server */
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gvdbg("Close NX\n");
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nx_close(g_hnx);
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#endif
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return EXIT_FAILURE;
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}
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#endif /* CONFIG_SAMA5_ISI && CONFIG_SAMA5_OV2640_DEMO */
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#endif /* HAVE_CAMERA */
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@ -63,6 +63,7 @@
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#define HAVE_USBDEV 1
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#define HAVE_USBMONITOR 1
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#define HAVE_NETWORK 1
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#define HAVE_CAMERA 1
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/* HSMCI */
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/* Can't support MMC/SD if the card interface(s) are not enable */
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@ -317,6 +318,24 @@
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# undef HAVE_NETWORK
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#endif
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/* Camera */
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#define OV2640_BUS 1
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#ifndef CONFIG_SAMA5_OV2640_DEMO
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# undef HAVE_CAMERA
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#endif
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#if defined(HAVE_CAMERA) && !defined(CONFIG_SAMA5_ISI)
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# warning OV2640 camera demo requires CONFIG_SAMA5_ISI
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# undef HAVE_CAMERA
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#endif
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#if defined(HAVE_CAMERA) && !defined(CONFIG_SAMA5_TWI1)
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# warning OV2640 camera demo requires CONFIG_SAMA5_TWI1
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# undef HAVE_CAMERA
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#endif
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/* LEDs *****************************************************************************/
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/* There are two LEDs on the SAMA5D3 series-CM board that can be controlled
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* by software. A blue LED is controlled via PIO pins. A red LED normally
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